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What is the Least Common Multiple of 81107 and 81121?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 81107 and 81121 is 6579480947.

LCM(81107,81121) = 6579480947

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Least Common Multiple of 81107 and 81121 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81107 and 81121, than apply into the LCM equation.

GCF(81107,81121) = 1
LCM(81107,81121) = ( 81107 × 81121) / 1
LCM(81107,81121) = 6579480947 / 1
LCM(81107,81121) = 6579480947

Least Common Multiple (LCM) of 81107 and 81121 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81107 and 81121. First we will calculate the prime factors of 81107 and 81121.

Prime Factorization of 81107

Prime factors of 81107 are 13, 17, 367. Prime factorization of 81107 in exponential form is:

81107 = 131 × 171 × 3671

Prime Factorization of 81121

Prime factors of 81121 are 23, 3527. Prime factorization of 81121 in exponential form is:

81121 = 231 × 35271

Now multiplying the highest exponent prime factors to calculate the LCM of 81107 and 81121.

LCM(81107,81121) = 131 × 171 × 3671 × 231 × 35271
LCM(81107,81121) = 6579480947